/* ==========================================================
   约爱 · Design System
   Palette: warm paper / plum ink / ember accent
   ========================================================== */
:root{
  --ink:#1c1320;
  --ink-2:#3b2b3f;
  --muted:#6c6070;
  --paper:#fbf6f0;
  --paper-2:#f3ebe2;
  --paper-3:#ebdfd2;
  --card:#fffcf8;
  --plum:#24152b;
  --plum-2:#33203b;
  --ember:#e5483a;
  --ember-deep:#c03428;
  --ember-soft:#fde4de;
  --blush:#f5cfc4;
  --gold:#e0a43e;
  --sage:#8fae98;
  --line:rgba(28,19,32,.11);
  --line-strong:rgba(28,19,32,.22);
  --line-light:rgba(251,246,240,.14);

  --font-display:"Noto Serif SC","Source Han Serif SC","Noto Serif CJK SC","Source Han Serif CN","Songti SC","STSong","SimSun",serif;
  --font-body:"PingFang SC","HarmonyOS Sans SC","MiSans","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;

  --fs-hero:clamp(2.3rem,5.1vw,4.7rem);
  --fs-h2:clamp(1.85rem,3.6vw,3.1rem);
  --fs-h3:clamp(1.12rem,1.5vw,1.35rem);
  --fs-lead:clamp(1rem,1.25vw,1.16rem);
  --fs-body:1rem;
  --fs-small:.875rem;
  --fs-micro:.75rem;

  --r-xs:8px; --r-sm:12px; --r-md:20px; --r-lg:28px; --r-xl:40px; --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(28,19,32,.05),0 4px 14px -6px rgba(28,19,32,.10);
  --shadow-md:0 18px 40px -22px rgba(28,19,32,.35);
  --shadow-lg:0 40px 90px -40px rgba(36,21,43,.55);
  --ease:cubic-bezier(.2,.75,.15,1);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);
  --container:1240px;
  --gutter:clamp(18px,4vw,44px);
  --section-y:clamp(76px,10vw,144px);
  --header-h:76px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:clip;-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px)}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:var(--fs-body);line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--ember);color:#fff}
:focus-visible{outline:2px solid var(--ember);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:12px;top:-60px;z-index:200;background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:var(--r-sm);transition:top .2s}
.skip-link:focus{top:12px}

/* paper grain */
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.35;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .11 0 0 0 0 .07 0 0 0 0 .12 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.container--narrow{max-width:880px}
main{position:relative;z-index:2}
.section{position:relative;padding-block:var(--section-y)}
.section--tight{padding-block:clamp(48px,6vw,88px)}
.section--paper2{background:var(--paper-2)}
.section--paper3{background:var(--paper-3)}
.section--ink{background:var(--plum);color:var(--paper)}
.section--ink .muted,.section--ink .lead{color:rgba(251,246,240,.68)}
.section--ember{background:var(--ember);color:#fff}
.section + .section--paper2,.section--paper2 + .section{border-top:1px solid var(--line)}
.grid{display:grid;gap:clamp(16px,2vw,28px)}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(36px,6vw,96px);align-items:center}
.split--rev > :first-child{order:2}
.stack-s > * + *{margin-top:12px}
.stack-m > * + *{margin-top:20px}
.stack-l > * + *{margin-top:32px}
.muted{color:var(--muted)}
.center{text-align:center}

/* ---------- Typography ---------- */
.display{font-family:var(--font-display);font-weight:700;letter-spacing:-.01em;line-height:1.12}
.h2{font-family:var(--font-display);font-size:var(--fs-h2);font-weight:700;line-height:1.18;letter-spacing:-.005em}
.h3{font-size:var(--fs-h3);font-weight:600;line-height:1.4}
.lead{font-size:var(--fs-lead);color:var(--ink-2);line-height:1.85;max-width:38em}
.serif{font-family:var(--font-display)}
em.hl,.hl{font-style:normal;color:var(--ember);position:relative}
.underline-draw{background:linear-gradient(var(--ember),var(--ember)) no-repeat 0 92%/0% 3px;transition:background-size .9s var(--ease) .2s}
.is-in .underline-draw,.underline-draw.is-in{background-size:100% 3px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:var(--fs-micro);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ember);box-shadow:0 0 0 4px var(--ember-soft)}
.section--ink .eyebrow{color:rgba(251,246,240,.62)}
.section--ink .eyebrow::before{box-shadow:0 0 0 4px rgba(229,72,58,.25)}
.section-head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(20px,4vw,64px);align-items:end;margin-bottom:clamp(40px,5vw,72px)}
.section-head--center{grid-template-columns:1fr;text-align:center;justify-items:center;gap:22px}
.section-head--center .lead{margin-inline:auto}
.section-head .h2{margin-top:16px}
.num{font-family:var(--font-mono);font-size:var(--fs-micro);letter-spacing:.12em;color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{--bg:var(--ink);--fg:var(--paper);position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:var(--r-pill);background:var(--bg);color:var(--fg);font-weight:600;font-size:.98rem;letter-spacing:.02em;white-space:nowrap;overflow:hidden;isolation:isolate;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s,color .3s;will-change:transform}
.btn::after{content:"";position:absolute;inset:0;z-index:-1;background:var(--ember);transform:translateY(101%);border-radius:inherit;transition:transform .5s var(--ease)}
.btn:hover::after{transform:translateY(0)}
.btn:hover{box-shadow:0 16px 30px -14px rgba(229,72,58,.65)}
.btn:active{transform:scale(.97)}
.btn__icon{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.14);transition:transform .45s var(--ease)}
.btn:hover .btn__icon{transform:translateX(3px) rotate(-45deg)}
.btn--primary{--bg:var(--ember);--fg:#fff}
.btn--primary::after{background:var(--ink)}
.btn--primary:hover{box-shadow:0 16px 30px -14px rgba(28,19,32,.55)}
.btn--ghost{--bg:transparent;--fg:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line-strong)}
.btn--ghost::after{background:var(--ink)}
.btn--ghost:hover{color:var(--paper);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn--ghost .btn__icon{background:var(--ink);color:var(--paper)}
.btn--light{--bg:var(--paper);--fg:var(--ink)}
.btn--light .btn__icon{background:var(--ink);color:var(--paper)}
.btn--light:hover{color:#fff}
.btn--line-light{--bg:transparent;--fg:var(--paper);box-shadow:inset 0 0 0 1.5px var(--line-light)}
.btn--sm{min-height:42px;padding:0 18px;font-size:.9rem}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;border-bottom:1.5px solid currentColor;padding-bottom:2px;transition:gap .3s var(--ease),color .3s}
.link-arrow:hover{gap:14px;color:var(--ember)}

/* ---------- Tags / badges ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;padding:6px 14px;border-radius:var(--r-pill);background:var(--card);border:1px solid var(--line);font-size:var(--fs-small);color:var(--ink-2);transition:background .3s,border-color .3s,transform .3s var(--ease)}
.tag:hover{border-color:var(--ember);transform:translateY(-2px)}
.tag svg{width:15px;height:15px;flex-shrink:0}
.tag--ember{background:var(--ember-soft);border-color:transparent;color:var(--ember-deep)}
.tag--dark{background:rgba(251,246,240,.08);border-color:var(--line-light);color:var(--paper)}
.badge{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;flex-shrink:0;padding:4px 10px;border-radius:var(--r-pill);font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;background:var(--ink);color:var(--paper)}
.badge svg{width:12px;height:12px}
.badge--ok{background:#e6f1e9;color:#2f6b45}
.badge--warn{background:#fdecd2;color:#8a5a12}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- Header ---------- */
.site-header{position:fixed;inset:0 0 auto;z-index:100;height:var(--header-h);display:flex;align-items:center;transition:background .4s,box-shadow .4s,transform .45s var(--ease),height .3s}
.site-header.is-scrolled{background:rgba(251,246,240,.82);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);box-shadow:0 1px 0 var(--line)}
.site-header.is-hidden{transform:translateY(-100%)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo__mark{width:38px;height:38px;transition:transform .6s var(--ease-spring)}
.logo:hover .logo__mark{transform:rotate(-12deg) scale(1.06)}
.logo__text{display:flex;flex-direction:column;line-height:1}
.logo__name{font-family:var(--font-display);font-weight:800;font-size:1.32rem;letter-spacing:.04em}
.logo__sub{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.28em;color:var(--muted);margin-top:4px}
.nav{display:flex;align-items:center;gap:4px;padding:5px;border-radius:var(--r-pill);background:rgba(255,252,248,.6);border:1px solid var(--line)}
.nav__link{position:relative;padding:9px 16px;border-radius:var(--r-pill);font-size:.94rem;color:var(--ink-2);transition:color .3s,background .3s}
.nav__link:hover{color:var(--ink);background:rgba(28,19,32,.05)}
.nav__link.is-active{background:var(--ink);color:var(--paper)}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{display:none;width:46px;height:46px;border-radius:50%;border:1px solid var(--line-strong);position:relative;background:var(--card)}
.menu-toggle span{position:absolute;left:14px;right:14px;height:1.5px;background:var(--ink);transition:transform .4s var(--ease),opacity .3s}
.menu-toggle span:nth-child(1){top:18px}
.menu-toggle span:nth-child(2){top:26px}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){transform:translateY(-4px) rotate(-45deg)}
.mobile-menu{position:fixed;inset:0;z-index:90;background:var(--plum);color:var(--paper);padding:calc(var(--header-h) + 24px) var(--gutter) 32px;display:flex;flex-direction:column;justify-content:space-between;clip-path:circle(0 at calc(100% - 44px) 38px);transition:clip-path .7s var(--ease);visibility:hidden}
.mobile-menu.is-open{clip-path:circle(150% at calc(100% - 44px) 38px);visibility:visible}
.mobile-menu__list a{display:flex;justify-content:space-between;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--line-light);font-family:var(--font-display);font-size:clamp(1.6rem,7vw,2.2rem);font-weight:700;opacity:0;transform:translateY(18px);transition:opacity .5s,transform .6s var(--ease),color .3s}
.mobile-menu__list a small{font-family:var(--font-mono);font-size:.7rem;color:rgba(251,246,240,.5);letter-spacing:.14em}
.mobile-menu__list a.is-active{color:var(--ember)}
.mobile-menu.is-open .mobile-menu__list a{opacity:1;transform:none}
.mobile-menu.is-open .mobile-menu__list li:nth-child(2) a{transition-delay:.06s}
.mobile-menu.is-open .mobile-menu__list li:nth-child(3) a{transition-delay:.12s}
.mobile-menu.is-open .mobile-menu__list li:nth-child(4) a{transition-delay:.18s}
.mobile-menu.is-open .mobile-menu__list li:nth-child(5) a{transition-delay:.24s}
.menu-open .site-header{background:transparent;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}
.menu-open .site-header .logo{color:var(--paper)}
.menu-open .site-header .logo__sub{color:rgba(251,246,240,.5)}
body.menu-open{overflow:hidden}

/* ---------- Breadcrumb ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:var(--fs-small);color:var(--muted)}
.breadcrumb a{transition:color .3s}
.breadcrumb a:hover{color:var(--ember)}
.breadcrumb li + li::before{content:"/";margin-right:8px;opacity:.5}

/* ---------- Hero (home) ---------- */
.hero{position:relative;min-height:100svh;padding-top:calc(var(--header-h) + clamp(24px,5vw,64px));padding-bottom:clamp(48px,6vw,88px);display:flex;align-items:center;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:clamp(24px,4vw,64px);align-items:center}
.hero__kicker{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:28px}
.hero__title{font-size:var(--fs-hero)}
.hero__title .kw{display:block;font-family:var(--font-body);font-size:clamp(.92rem,1.2vw,1.05rem);font-weight:600;letter-spacing:.2em;color:var(--ember);margin-bottom:22px}
.hero__title .line{display:block;overflow:hidden;padding-bottom:.06em;white-space:nowrap}
.hero__title .line > span{display:inline-block;transform:translateY(105%);transition:transform 1.1s var(--ease)}
.is-loaded .hero__title .line > span{transform:none}
.is-loaded .hero__title .line:nth-child(3) > span{transition-delay:.1s}
.is-loaded .hero__title .line:nth-child(4) > span{transition-delay:.2s}
.hero__title i{font-style:normal;color:var(--ember)}
.hero__desc{margin-top:30px;max-width:30em}
.hero__actions{margin-top:38px}
.hero__meta{margin-top:44px;display:flex;flex-wrap:wrap;gap:28px;padding-top:24px;border-top:1px solid var(--line)}
.hero__meta div{display:flex;flex-direction:column;gap:2px}
.hero__meta strong{font-family:var(--font-display);font-size:1.18rem}
.hero__meta span{font-size:var(--fs-small);color:var(--muted)}
.hero__visual{position:relative;aspect-ratio:1/1;width:100%;max-width:580px;justify-self:end}
.hero__blob{position:absolute;inset:6%;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff3ec 0%,var(--blush) 45%,rgba(245,207,196,0) 72%);filter:blur(4px)}
.radar{position:absolute;inset:0;width:100%;height:100%}
.radar .ring{fill:none;stroke:rgba(28,19,32,.3);stroke-dasharray:3 6}
.radar .street{stroke:rgba(28,19,32,.07);stroke-width:1}
.radar .sweep{transform-origin:280px 280px;animation:sweep 9s linear infinite}
.radar .link-path{fill:none;stroke:var(--ember);stroke-width:2;stroke-linecap:round;stroke-dasharray:420;stroke-dashoffset:420;animation:draw 2.2s var(--ease) 1s forwards}
.radar .pulse{transform-box:fill-box;transform-origin:center;animation:pulse 2.6s var(--ease) infinite}
.radar .pulse--b{animation-delay:1.3s}
@keyframes sweep{to{transform:rotate(360deg)}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes pulse{0%{transform:scale(.6);opacity:.7}100%{transform:scale(2.6);opacity:0}}
.chip{position:absolute;display:flex;align-items:center;gap:10px;padding:10px 16px 10px 10px;border-radius:var(--r-pill);background:rgba(255,252,248,.92);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:var(--shadow-md);border:1px solid var(--line);font-size:var(--fs-small);white-space:nowrap;animation:float 6s ease-in-out infinite}
.chip__dot{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--ember-soft);color:var(--ember-deep);font-size:.8rem;flex-shrink:0}
.chip strong{font-weight:700}
.chip--a{left:-2%;top:20%}
.chip--b{right:-4%;top:52%;animation-delay:-2s}
.chip--c{left:10%;bottom:6%;animation-delay:-4s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.scroll-cue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.2em;color:var(--muted)}
.scroll-cue::after{content:"";width:1px;height:36px;background:linear-gradient(var(--ink),transparent);animation:cue 2s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- Page hero (inner) ---------- */
.page-hero{position:relative;padding-top:calc(var(--header-h) + clamp(40px,6vw,88px));padding-bottom:clamp(56px,7vw,104px);overflow:hidden}
.page-hero__grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(28px,5vw,80px);align-items:center}
.page-hero h1{font-size:clamp(2.3rem,5.4vw,4.6rem);margin-top:22px}
.page-hero h1 .sub{display:block;font-size:max(1rem,.36em);max-width:26em;font-family:var(--font-body);font-weight:500;color:var(--muted);margin-top:16px;letter-spacing:0;line-height:1.6}
.page-hero .lead{margin-top:24px}
.page-hero .btn-row{margin-top:34px}
.page-hero__art{position:relative;aspect-ratio:1/1;max-width:460px;justify-self:end;width:100%}
.big-index{position:absolute;right:-1vw;top:calc(var(--header-h) + 10px);font-family:var(--font-display);font-weight:800;font-size:clamp(8rem,22vw,20rem);line-height:.8;color:transparent;-webkit-text-stroke:1px var(--line-strong);pointer-events:none;user-select:none;z-index:0}

/* ---------- Marquee ---------- */
.marquee{background:var(--plum);color:var(--paper);overflow:hidden;padding:22px 0;position:relative;z-index:2}
.marquee__track{display:flex;width:max-content;animation:marquee 38s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__group{display:flex;align-items:center;gap:42px;padding-right:42px}
.marquee__item{font-family:var(--font-display);font-size:clamp(1.25rem,2.4vw,1.9rem);font-weight:600;white-space:nowrap;display:flex;align-items:center;gap:42px}
.marquee__item::after{content:"✦";font-size:.7em;color:var(--ember)}
.marquee__item:nth-child(even){color:transparent;-webkit-text-stroke:1px rgba(251,246,240,.55)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- Manifesto ---------- */
.manifesto{font-family:var(--font-display);font-size:clamp(1.6rem,3.4vw,2.9rem);line-height:1.5;font-weight:600;max-width:22em}
.manifesto .dim{color:rgba(28,19,32,.28);transition:color .6s}
.manifesto .dim.is-lit{color:var(--ink)}
.principles{margin-top:clamp(48px,6vw,88px);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line)}
.principle{padding:32px clamp(16px,2.4vw,36px) 8px 0;border-right:1px solid var(--line)}
.principle + .principle{padding-left:clamp(16px,2.4vw,36px)}
.principle:last-child{border-right:0}
.principle h3{margin:14px 0 10px}

/* ---------- Cards ---------- */
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(24px,2.6vw,36px);transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .4s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.card__icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:var(--ember-soft);color:var(--ember-deep);margin-bottom:22px;transition:transform .6s var(--ease-spring),background .3s,color .3s}
.card:hover .card__icon{transform:rotate(-8deg) scale(1.08);background:var(--ember);color:#fff}
.card__icon svg{width:24px;height:24px}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:.96rem}
.card--dark{background:var(--plum-2);border-color:var(--line-light);color:var(--paper)}
.card--dark p{color:rgba(251,246,240,.66)}
.card--dark .card__icon{background:rgba(229,72,58,.16);color:#ff8a7e}
.card--flat:hover{transform:none;box-shadow:none;border-color:var(--line-strong)}

/* feature list with index */
.feature-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--line)}
.feature-item{position:relative;padding:36px 28px 40px 0;border-bottom:1px solid var(--line);transition:background .4s}
.feature-item:not(:nth-child(3n)){border-right:1px solid var(--line)}
.feature-item:not(:nth-child(3n+1)){padding-left:28px}
.feature-item h3{margin:18px 0 10px}
.feature-item p{color:var(--muted);font-size:.96rem}
.feature-item .card__icon{margin-bottom:0}
.feature-item:hover .card__icon{transform:rotate(-8deg) scale(1.08);background:var(--ember);color:#fff}

/* ---------- Radar match section ---------- */
.match-visual{position:relative;aspect-ratio:1/1;max-width:520px;width:100%;margin-inline:auto}
.match-visual svg{width:100%;height:100%}
.match-visual .r{fill:none;stroke:rgba(251,246,240,.16)}
.match-visual .r-label{font-family:var(--font-mono);font-size:11px;fill:rgba(251,246,240,.5);letter-spacing:.1em}
.match-visual .dot{transition:transform .6s var(--ease)}
.range-control{margin-top:28px;padding:22px 24px;border-radius:var(--r-md);background:rgba(251,246,240,.05);border:1px solid var(--line-light)}
.range-control label{display:flex;justify-content:space-between;font-size:var(--fs-small);color:rgba(251,246,240,.7);margin-bottom:14px}
.range-control output{font-family:var(--font-mono);color:var(--paper);font-weight:600}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--ember) var(--p,40%),rgba(251,246,240,.18) var(--p,40%));outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--paper);border:5px solid var(--ember);cursor:grab;transition:transform .3s var(--ease-spring)}
input[type=range]::-webkit-slider-thumb:active{transform:scale(1.2);cursor:grabbing}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--paper);border:5px solid var(--ember);cursor:grab}
.check-list{display:grid;gap:14px}
.check-list li{display:flex;gap:14px;align-items:flex-start}
.check-list li::before{content:"";flex-shrink:0;width:22px;height:22px;margin-top:3px;border-radius:50%;background:var(--ember) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat}
.check-list strong{display:block;margin-bottom:2px}
.check-list span{color:var(--muted);font-size:.95rem}
.section--ink .check-list span{color:rgba(251,246,240,.62)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,44px);counter-reset:step;position:relative}
.steps--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.step{position:relative;padding-top:28px}
.step::before{counter-increment:step;content:"0" counter(step);display:block;font-family:var(--font-display);font-size:clamp(4rem,7vw,6rem);font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.2px var(--ink);margin-bottom:22px;transition:color .5s,-webkit-text-stroke-color .5s}
.step:hover::before{color:var(--ember);-webkit-text-stroke-color:var(--ember)}
.step::after{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--line)}
.step .bar{position:absolute;top:0;left:0;height:2px;width:0;background:var(--ember);transition:width 1.2s var(--ease) .2s;z-index:1}
.is-in .step .bar,.step.is-in .bar{width:100%}
.step h3{margin-bottom:10px}
.step p{color:var(--muted);font-size:.96rem}
.section--ink .step::before{-webkit-text-stroke-color:var(--paper)}
.section--ink .step::after{background:var(--line-light)}
.section--ink .step p{color:rgba(251,246,240,.62)}

/* ---------- Bento (category matrix) ---------- */
.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-rows:minmax(220px,auto);gap:18px}
.bento__item{position:relative;display:flex;flex-direction:column;justify-content:space-between;gap:28px;padding:clamp(26px,3vw,40px);border-radius:var(--r-lg);overflow:hidden;isolation:isolate;transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
.bento__item:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.bento__item h3{font-family:var(--font-display);font-size:clamp(1.5rem,2.6vw,2.2rem);font-weight:700;line-height:1.2;margin-top:8px}
.bento__item p{max-width:28em;font-size:.97rem;opacity:.78;margin-top:10px}
.bento__item .go{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:50%;background:currentColor;transition:transform .6s var(--ease)}
.bento__item .go svg{width:20px;height:20px}
.bento__item:hover .go{transform:rotate(-45deg) scale(1.08)}
.bento__foot{display:flex;justify-content:space-between;align-items:flex-end;gap:16px}
.bento__art{position:absolute;z-index:-1;pointer-events:none;transition:transform 1s var(--ease)}
.bento__item:hover .bento__art{transform:scale(1.06) rotate(-3deg)}
.b-1{grid-column:span 7;grid-row:span 2;background:var(--ember);color:#fff}
.b-1 .go{color:#fff}.b-1 .go svg{color:var(--ember)}
.b-2{grid-column:span 5;background:var(--plum);color:var(--paper)}
.b-2 .go{color:var(--paper)}.b-2 .go svg{color:var(--plum)}
.b-3{grid-column:span 5;background:var(--blush);color:var(--ink)}
.b-3 .go{color:var(--ink)}.b-3 .go svg{color:var(--blush)}
.b-4{grid-column:span 12;background:var(--card);border:1px solid var(--line);color:var(--ink);flex-direction:row;align-items:center}
.b-4 .go{color:var(--ink)}.b-4 .go svg{color:var(--paper)}

/* ---------- Profile stack ---------- */
.profile-stack{position:relative;height:clamp(420px,46vw,540px);display:grid;place-items:center}
.pcard{position:absolute;width:min(300px,72vw);border-radius:var(--r-lg);background:var(--card);box-shadow:var(--shadow-lg);border:1px solid var(--line);overflow:hidden;transition:transform .8s var(--ease)}
.pcard__cover{height:180px;position:relative;overflow:hidden}
.pcard__cover svg{position:absolute;inset:0;width:100%;height:100%}
.pcard__body{padding:20px 22px 22px}
.pcard__name{display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:1.06rem}
.pcard__name small{font-family:var(--font-mono);font-weight:400;font-size:.72rem;color:var(--muted)}
.pcard__bio{font-size:.9rem;color:var(--muted);margin:8px 0 14px;line-height:1.6}
.pcard .tag{font-size:.75rem;padding:4px 10px}
.pcard__voice{display:flex;align-items:center;gap:10px;margin-top:14px;padding:10px 12px;border-radius:var(--r-sm);background:var(--paper-2);font-size:.78rem;color:var(--ink-2)}
.wave{display:flex;align-items:center;gap:2px;height:18px;flex:1}
.wave i{display:block;width:3px;border-radius:2px;background:var(--ember);animation:wave 1.2s ease-in-out infinite}
.wave i:nth-child(odd){animation-delay:-.4s}.wave i:nth-child(3n){animation-delay:-.8s}
@keyframes wave{0%,100%{height:4px}50%{height:16px}}
.pcard--1{transform:translate(-34%,4%) rotate(-9deg)}
.pcard--2{transform:translate(34%,6%) rotate(8deg)}
.pcard--3{transform:translate(0,-2%) rotate(-1deg);z-index:2}
.profile-stack:hover .pcard--1{transform:translate(-48%,8%) rotate(-13deg)}
.profile-stack:hover .pcard--2{transform:translate(48%,10%) rotate(12deg)}
.profile-stack:hover .pcard--3{transform:translate(0,-6%) rotate(0)}

/* ---------- Horizontal scroller ---------- */
.h-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(280px,340px);gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px var(--gutter) 28px;margin-inline:calc(var(--gutter) * -1);scrollbar-width:thin;scrollbar-color:var(--ember) transparent;cursor:grab}
.h-scroll.is-dragging{cursor:grabbing;scroll-snap-type:none}
.h-scroll::-webkit-scrollbar{height:4px}
.h-scroll::-webkit-scrollbar-thumb{background:var(--ember);border-radius:4px}
.event{scroll-snap-align:start;border-radius:var(--r-lg);overflow:hidden;background:var(--card);border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .5s var(--ease),box-shadow .5s}
.event:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.event__art{aspect-ratio:4/3;position:relative;overflow:hidden}
.event__art svg{width:100%;height:100%;transition:transform 1s var(--ease)}
.event:hover .event__art svg{transform:scale(1.06)}
.event__body{padding:22px 24px 26px}
.event__meta{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.event h3{margin-bottom:8px}
.event p{font-size:.94rem;color:var(--muted)}
.scroll-hint{display:flex;align-items:center;gap:12px;font-size:var(--fs-small);color:var(--muted)}
.scroll-btns{display:flex;gap:10px}
.icon-btn{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-strong);background:var(--card);transition:background .3s,color .3s,transform .3s var(--ease)}
.icon-btn:hover{background:var(--ink);color:var(--paper)}
.icon-btn:active{transform:scale(.92)}
.icon-btn svg{width:18px;height:18px}

/* ---------- Toggles (privacy demo) ---------- */
.toggle-panel{border-radius:var(--r-xl);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-md);padding:clamp(18px,2.4vw,30px);max-width:460px;width:100%;justify-self:center}
.toggle-panel__head{display:flex;align-items:center;justify-content:space-between;padding:4px 6px 18px;border-bottom:1px solid var(--line);margin-bottom:6px}
.toggle-panel__head strong{font-size:1.02rem}
.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 6px;border-bottom:1px dashed var(--line)}
.toggle-row:last-child{border-bottom:0}
.toggle-row strong{display:block;font-size:.98rem;font-weight:600}
.toggle-row span{font-size:.84rem;color:var(--muted)}
.switch{position:relative;flex-shrink:0;width:52px;height:30px;border-radius:30px;background:var(--paper-3);transition:background .35s}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.18);transition:transform .45s var(--ease-spring)}
.switch[aria-checked="true"]{background:var(--ember)}
.switch[aria-checked="true"]::after{transform:translateX(22px)}
.privacy-status{margin-top:16px;padding:14px 16px;border-radius:var(--r-sm);background:var(--ember-soft);color:var(--ember-deep);font-size:.88rem;display:flex;gap:10px;align-items:center}
.privacy-status b{font-family:var(--font-mono);font-size:1.1rem}

/* ---------- Persona ---------- */
.persona-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.persona{position:relative;padding:30px 26px;border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line);min-height:300px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;transition:background .5s,color .5s,transform .5s var(--ease)}
.persona:hover{background:var(--plum);color:var(--paper);transform:translateY(-4px)}
.persona:hover p{color:rgba(251,246,240,.7)}
.persona__emoji{width:56px;height:56px}
.persona h3{font-family:var(--font-display);font-size:1.32rem;margin:22px 0 10px}
.persona p{font-size:.94rem;color:var(--muted);transition:color .5s}
.persona .num{position:absolute;top:24px;right:24px}

/* ---------- Phone mockup ---------- */
.phone{position:relative;width:min(300px,74vw);aspect-ratio:9/19;border-radius:46px;background:var(--ink);padding:12px;box-shadow:var(--shadow-lg),inset 0 0 0 2px #3a2c3f;margin-inline:auto}
.phone::before{content:"";position:absolute;top:22px;left:50%;transform:translateX(-50%);width:84px;height:24px;border-radius:20px;background:#000;z-index:3}
.phone__screen{position:relative;height:100%;border-radius:36px;overflow:hidden;background:var(--paper);display:flex;flex-direction:column}
.ps-top{padding:52px 18px 12px;display:flex;justify-content:space-between;align-items:center}
.ps-top b{font-family:var(--font-display);font-size:1.1rem}
.ps-seg{display:flex;gap:6px;padding:0 18px 12px}
.ps-seg span{font-size:.7rem;padding:4px 10px;border-radius:20px;background:var(--paper-2);color:var(--muted)}
.ps-seg span:first-child{background:var(--ink);color:var(--paper)}
.ps-card{margin:0 14px;border-radius:24px;overflow:hidden;background:var(--card);box-shadow:var(--shadow-sm);flex:1;display:flex;flex-direction:column}
.ps-card__img{flex:1;min-height:0;position:relative}
.ps-card__img svg{position:absolute;inset:0;width:100%;height:100%}
.ps-card__info{padding:12px 14px}
.ps-card__info b{font-size:.92rem}
.ps-card__info p{font-size:.7rem;color:var(--muted);line-height:1.5;margin-top:2px}
.ps-actions{display:flex;justify-content:center;gap:18px;padding:14px 0 22px}
.ps-actions span{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--card);box-shadow:var(--shadow-sm)}
.ps-actions span:nth-child(2){background:var(--ember);color:#fff;width:54px;height:54px;margin-top:-4px}
.ps-actions svg{width:20px;height:20px}

/* ---------- Download CTA band ---------- */
.download-band{border-radius:var(--r-xl);background:var(--plum);color:var(--paper);overflow:hidden;position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:center;gap:32px;padding:clamp(36px,5vw,72px) clamp(28px,5vw,80px) 0}
.download-band__copy{padding-bottom:clamp(36px,5vw,72px)}
.download-band .phone{transform:translateY(12%);margin-bottom:-6%}
.download-band__glow{position:absolute;right:-10%;top:-30%;width:70%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(229,72,58,.55),rgba(229,72,58,0) 65%);pointer-events:none}
.store-btn{display:inline-flex;align-items:center;gap:12px;padding:12px 20px 12px 16px;border-radius:16px;background:var(--paper);color:var(--ink);transition:transform .4s var(--ease),box-shadow .4s}
.store-btn:hover{transform:translateY(-3px);box-shadow:0 14px 30px -14px rgba(0,0,0,.6)}
.store-btn svg{width:26px;height:26px}
.store-btn small{display:block;font-size:.68rem;color:var(--muted);line-height:1.2}
.store-btn b{display:block;font-size:1rem;line-height:1.3}
.store-btn--dark{background:var(--ink);color:var(--paper)}
.store-btn--dark small{color:rgba(251,246,240,.6)}

/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(32px,6vw,96px);align-items:start}
.faq__head{position:sticky;top:calc(var(--header-h) + 32px)}
.faq-list{border-top:1px solid var(--line-strong)}
.faq-item{border-bottom:1px solid var(--line-strong)}
.faq-item summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:26px 0;cursor:pointer;font-size:clamp(1.02rem,1.4vw,1.16rem);font-weight:600;transition:color .3s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--ember)}
.faq-item summary .pm{position:relative;flex-shrink:0;width:34px;height:34px;border-radius:50%;border:1px solid var(--line-strong);transition:background .3s,border-color .3s,transform .5s var(--ease)}
.faq-item summary .pm::before,.faq-item summary .pm::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:1.5px;background:currentColor;transform:translate(-50%,-50%);transition:transform .4s var(--ease)}
.faq-item summary .pm::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-item[open] summary .pm{background:var(--ember);border-color:var(--ember);color:#fff;transform:rotate(180deg)}
.faq-item[open] summary .pm::after{transform:translate(-50%,-50%) rotate(0)}
.faq-item__body{padding:0 56px 28px 0;color:var(--muted);line-height:1.9}
.faq-item[open] .faq-item__body{animation:faqIn .5s var(--ease)}
@keyframes faqIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------- Final CTA ---------- */
.final-cta{text-align:center;position:relative;overflow:hidden}
.final-cta__title{font-family:var(--font-display);font-size:clamp(2.4rem,7vw,6rem);font-weight:800;line-height:1.08;letter-spacing:-.01em}
.final-cta__title span{color:var(--ember)}
.final-cta .lead{margin:26px auto 0}
.final-cta .btn-row{justify-content:center;margin-top:40px}
.orbit{position:absolute;border-radius:50%;border:1px dashed var(--line-strong);pointer-events:none;left:50%;top:50%;transform:translate(-50%,-50%)}
.orbit--1{width:min(560px,90vw);aspect-ratio:1;animation:spin 60s linear infinite}
.orbit--2{width:min(900px,140vw);aspect-ratio:1;animation:spin 90s linear infinite reverse}
.orbit::after{content:"";position:absolute;top:-6px;left:50%;width:12px;height:12px;border-radius:50%;background:var(--ember)}
.orbit--2::after{background:var(--plum);top:auto;bottom:-6px}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}

/* ---------- Article-ish / info blocks ---------- */
.info-panel{border-radius:var(--r-lg);padding:clamp(28px,4vw,52px);background:var(--card);border:1px solid var(--line)}
.warn-panel{border-radius:var(--r-lg);padding:clamp(28px,4vw,52px);background:#fff4ec;border:1px solid #f4c9b2;display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:start}
.warn-panel__icon{width:64px;height:64px;border-radius:20px;background:var(--ember);color:#fff;display:grid;place-items:center}
.warn-panel__icon svg{width:30px;height:30px}
.kv{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid var(--line)}
.kv > div{padding:22px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:120px 1fr;gap:16px}
.kv > div:nth-child(odd){padding-right:28px;border-right:1px solid var(--line)}
.kv > div:nth-child(even){padding-left:28px}
.kv dt{font-family:var(--font-mono);font-size:var(--fs-micro);letter-spacing:.1em;color:var(--muted);padding-top:4px}
.kv dd{font-size:.96rem}
.perm{display:grid;grid-template-columns:56px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
.perm:first-child{border-top:1px solid var(--line)}
.perm .card__icon{margin:0;width:56px;height:56px}
.perm h3{font-size:1.04rem;margin-bottom:4px}
.perm p{font-size:.92rem;color:var(--muted)}

/* city grid */
.city-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.city{position:relative;padding:28px 24px 30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;transition:color .5s}
.city::before{content:"";position:absolute;inset:0;background:var(--ember);transform:scaleY(0);transform-origin:bottom;transition:transform .6s var(--ease);z-index:-1}
.city{isolation:isolate}
.city:hover{color:#fff}
.city:hover::before{transform:scaleY(1)}
.city:hover p,.city:hover .num{color:rgba(255,255,255,.82)}
.city h3{font-family:var(--font-display);font-size:1.7rem;font-weight:700;margin:6px 0 8px}
.city p{font-size:.9rem;color:var(--muted);transition:color .5s}

/* checklist interactive */
.todo{display:grid;gap:10px}
.todo label{display:flex;gap:16px;align-items:flex-start;padding:18px 20px;border-radius:var(--r-md);background:var(--card);border:1px solid var(--line);cursor:pointer;transition:border-color .3s,background .3s,transform .3s var(--ease)}
.todo label:hover{border-color:var(--ink);transform:translateX(4px)}
.todo input{position:absolute;opacity:0;pointer-events:none}
.todo .box{flex-shrink:0;width:24px;height:24px;border-radius:8px;border:1.5px solid var(--line-strong);margin-top:2px;display:grid;place-items:center;transition:background .3s,border-color .3s}
.todo .box svg{width:14px;height:14px;color:#fff;transform:scale(0);transition:transform .4s var(--ease-spring)}
.todo input:checked + .box{background:var(--ember);border-color:var(--ember)}
.todo input:checked + .box svg{transform:scale(1)}
.todo input:checked ~ span strong{text-decoration:line-through;text-decoration-color:var(--ember)}
.todo input:focus-visible + .box{outline:2px solid var(--ember);outline-offset:2px}
.todo strong{display:block;font-weight:600}
.todo small{color:var(--muted);font-size:.88rem}
.progress{height:6px;border-radius:6px;background:var(--paper-3);overflow:hidden;margin-top:18px}
.progress i{display:block;height:100%;width:0;background:var(--ember);transition:width .6s var(--ease)}

/* timeline */
.timeline{position:relative;display:grid;gap:0}
.timeline::before{content:"";position:absolute;left:19px;top:8px;bottom:8px;width:1.5px;background:var(--line-strong)}
.tl-item{position:relative;display:grid;grid-template-columns:40px 1fr;gap:24px;padding:0 0 40px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:relative;z-index:1;width:40px;height:40px;border-radius:50%;background:var(--paper);border:1.5px solid var(--ink);display:grid;place-items:center;font-family:var(--font-mono);font-size:.74rem;font-weight:600;transition:background .4s,color .4s,border-color .4s}
.tl-item:hover .tl-dot,.tl-item.is-in .tl-dot{background:var(--ember);border-color:var(--ember);color:#fff}
.tl-item h3{margin:6px 0 8px}
.tl-item p{color:var(--muted);font-size:.96rem}
.tl-item .tag{margin-top:12px}
.section--paper2 .tl-dot{background:var(--paper-2)}

/* feed mock */
.feed{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:start}
.post{border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line);overflow:hidden;transition:transform .5s var(--ease),box-shadow .5s}
.post:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.post__head{display:flex;align-items:center;gap:12px;padding:18px 20px 0}
.avatar{width:40px;height:40px;border-radius:50%;flex-shrink:0;overflow:hidden}
.avatar svg{width:100%;height:100%}
.post__head b{font-size:.94rem;display:block;line-height:1.3}
.post__head small{color:var(--muted);font-size:.76rem}
.post__text{padding:14px 20px;font-size:.95rem;line-height:1.75}
.post__art{aspect-ratio:16/10;margin:0 20px;border-radius:var(--r-md);overflow:hidden}
.post__art svg{width:100%;height:100%}
.post__foot{display:flex;gap:20px;padding:14px 20px 18px;font-size:.82rem;color:var(--muted)}
.post__foot button{display:inline-flex;align-items:center;gap:6px;transition:color .3s}
.post__foot button svg{width:16px;height:16px;transition:transform .4s var(--ease-spring)}
.post__foot button:hover{color:var(--ember)}
.post__foot button.is-liked{color:var(--ember)}
.post__foot button.is-liked svg{transform:scale(1.25);fill:var(--ember)}
.mock-note{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;color:var(--muted);text-align:center;margin-top:20px}

/* rules list */
.rules{counter-reset:rule;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(24px,4vw,64px)}
.rules li{counter-increment:rule;display:grid;grid-template-columns:64px 1fr;gap:16px;padding:26px 0;border-bottom:1px solid var(--line-light)}
.rules li::before{content:counter(rule,decimal-leading-zero);font-family:var(--font-display);font-size:2rem;font-weight:800;color:var(--ember);line-height:1}
.rules strong{display:block;font-size:1.06rem;margin-bottom:6px}
.rules span{color:rgba(251,246,240,.66);font-size:.95rem}

/* red flags */
.flag-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.flag{position:relative;padding:28px 26px;border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line);overflow:hidden;transition:transform .5s var(--ease),border-color .4s}
.flag::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--ember);transform:scaleY(.3);transform-origin:top;transition:transform .6s var(--ease)}
.flag:hover{transform:translateY(-4px);border-color:var(--ember)}
.flag:hover::before{transform:scaleY(1)}
.flag q{display:block;font-family:var(--font-display);font-size:1.18rem;font-weight:700;quotes:"“" "”";margin:14px 0 12px;line-height:1.5}
.flag p{font-size:.93rem;color:var(--muted)}

/* layers */
.layers{display:grid;gap:14px}
.layer{display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;padding:24px 28px;border-radius:var(--r-md);background:rgba(251,246,240,.05);border:1px solid var(--line-light);transition:background .4s,transform .5s var(--ease)}
.layer:hover{background:rgba(251,246,240,.09);transform:translateX(6px)}
.layer__lv{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;color:#ff8a7e}
.layer h3{font-size:1.1rem;margin:4px 0}
.layer p{font-size:.92rem;color:rgba(251,246,240,.62)}
.layer .badge{background:rgba(229,72,58,.18);color:#ffb3aa}

/* quote spot */
.spot{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.spot .card{padding-top:120px;overflow:hidden}
.spot .card svg.bg{position:absolute;top:0;left:0;width:100%;height:110px}


/* ink variants */
.section--ink .timeline::before{background:var(--line-light)}
.section--ink .tl-dot{background:var(--plum);border-color:rgba(251,246,240,.45);color:var(--paper)}
.section--ink .tl-item p{color:rgba(251,246,240,.62)}
.section--ink .breadcrumb{color:rgba(251,246,240,.6)}
.section--ink .layer .card__icon{background:rgba(229,72,58,.16);color:#ff8a7e}
.page-hero.section--ink{padding-bottom:clamp(56px,7vw,104px)}
.section--paper3 .tl-dot{background:var(--paper-3)}


.download-band .lead{color:rgba(251,246,240,.7)}
/* header over dark hero */
.dark-hero .site-header:not(.is-scrolled) .logo{color:var(--paper)}
.dark-hero .site-header:not(.is-scrolled) .logo__sub{color:rgba(251,246,240,.5)}
.dark-hero .site-header:not(.is-scrolled) .nav{background:rgba(251,246,240,.06);border-color:var(--line-light)}
.dark-hero .site-header:not(.is-scrolled) .nav__link{color:rgba(251,246,240,.72)}
.dark-hero .site-header:not(.is-scrolled) .nav__link:hover{color:var(--paper);background:rgba(251,246,240,.08)}
.dark-hero .site-header:not(.is-scrolled) .nav__link.is-active{background:var(--paper);color:var(--ink)}
.dark-hero .site-header:not(.is-scrolled) .menu-toggle{background:transparent;border-color:var(--line-light)}
.dark-hero .site-header:not(.is-scrolled) .menu-toggle span{background:var(--paper)}
.menu-open .menu-toggle{background:transparent;border-color:var(--line-light)}
.menu-open .menu-toggle span{background:var(--paper)}

/* ---------- Footer ---------- */
.site-footer{position:relative;z-index:2;background:var(--ink);color:var(--paper);padding:clamp(64px,8vw,112px) 0 32px;overflow:hidden}
.footer-top{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,.7fr));gap:clamp(32px,5vw,80px);padding-bottom:56px;border-bottom:1px solid var(--line-light)}
.site-footer .logo{color:var(--paper)}
.site-footer .logo__sub{color:rgba(251,246,240,.5)}
.footer-desc{margin-top:22px;color:rgba(251,246,240,.62);font-size:.94rem;max-width:30em}
.footer-col h3{font-family:var(--font-mono);font-size:var(--fs-micro);letter-spacing:.16em;color:rgba(251,246,240,.5);font-weight:500;margin-bottom:18px}
.footer-col a,.footer-col li{display:block;padding:6px 0;color:rgba(251,246,240,.82);font-size:.95rem;transition:color .3s,transform .3s var(--ease)}
.footer-col a:hover{color:var(--ember);transform:translateX(4px)}
.footer-word{font-family:var(--font-display);font-weight:800;font-size:clamp(4.5rem,17vw,15rem);line-height:.9;letter-spacing:-.02em;color:transparent;-webkit-text-stroke:1px rgba(251,246,240,.16);margin:40px 0 12px;white-space:nowrap;user-select:none}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;font-size:.82rem;color:rgba(251,246,240,.5)}
.footer-bottom a:hover{color:var(--paper)}
.age-note{display:inline-flex;align-items:center;gap:8px}
.age-note b{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;border:1px solid rgba(251,246,240,.4);font-family:var(--font-mono);font-size:.7rem;color:var(--paper)}

/* ---------- Reveal motion ---------- */
.js [data-reveal]{opacity:0;transform:translateY(34px);transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
.js [data-reveal="fade"]{transform:none}
.js [data-reveal="scale"]{transform:scale(.94)}
.js [data-reveal].is-in{opacity:1;transform:none}
.js [data-stagger] > *{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform 1s var(--ease)}
.js [data-stagger].is-in > *{opacity:1;transform:none}
.js [data-stagger].is-in > *:nth-child(2){transition-delay:.08s}
.js [data-stagger].is-in > *:nth-child(3){transition-delay:.16s}
.js [data-stagger].is-in > *:nth-child(4){transition-delay:.24s}
.js [data-stagger].is-in > *:nth-child(5){transition-delay:.32s}
.js [data-stagger].is-in > *:nth-child(6){transition-delay:.40s}
.js [data-stagger].is-in > *:nth-child(7){transition-delay:.48s}
.js [data-stagger].is-in > *:nth-child(8){transition-delay:.56s}

.cursor-dot{position:fixed;left:0;top:0;width:10px;height:10px;margin:-5px 0 0 -5px;border-radius:50%;background:var(--ember);pointer-events:none;z-index:300;mix-blend-mode:multiply;transition:width .35s var(--ease),height .35s var(--ease),margin .35s var(--ease),opacity .3s;opacity:0}
.cursor-dot.is-active{opacity:1}
.cursor-dot.is-hover{width:54px;height:54px;margin:-27px 0 0 -27px;background:rgba(229,72,58,.18);mix-blend-mode:normal}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .nav__link{padding:9px 12px;font-size:.9rem}
  .persona-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .city-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:960px){
  :root{--header-h:68px}
  .nav,.header-actions .btn{display:none}
  .menu-toggle{display:block}
  .hero{min-height:auto}
  .hero__grid,.page-hero__grid,.split,.faq,.download-band,.section-head{grid-template-columns:1fr}
  .split--rev > :first-child{order:0}
  .hero__visual{justify-self:center;max-width:460px;margin-top:12px}
  .page-hero__art{justify-self:center;max-width:380px}
  .faq__head{position:static}
  .grid-3,.feature-list,.flag-grid,.feed,.spot{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-item:not(:nth-child(3n)){border-right:0}
  .feature-item:not(:nth-child(3n+1)){padding-left:0}
  .feature-item:nth-child(odd){border-right:1px solid var(--line)}
  .feature-item:nth-child(even){padding-left:28px}
  .grid-4,.steps--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr 1fr 1fr}
  .bento .b-1,.bento .b-2,.bento .b-3{grid-column:span 12}
  .bento .b-1{grid-row:span 1;min-height:340px}
  .download-band{padding-bottom:0}
  .download-band .phone{transform:translateY(8%)}
  .scroll-cue{display:none}
  .big-index{opacity:.6}
}
@media (max-width:680px){
  :root{--section-y:72px}
  .grid-2,.grid-3,.grid-4,.feature-list,.flag-grid,.feed,.spot,.steps,.steps--4,.persona-grid,.principles,.rules,.kv{grid-template-columns:1fr}
  .feature-item,.feature-item:nth-child(even),.feature-item:not(:nth-child(3n+1)){padding:28px 0 30px;border-right:0 !important}
  .principle,.principle + .principle{padding:26px 0 18px;border-right:0;border-bottom:1px solid var(--line)}
  .kv > div,.kv > div:nth-child(odd),.kv > div:nth-child(even){padding:18px 0;border-right:0;grid-template-columns:96px 1fr}
  .city-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .city{padding:22px 16px}
  .city h3{font-size:1.4rem}
  .hero__meta{gap:20px}
  .chip{font-size:.78rem;padding:8px 12px 8px 8px}
  .chip__dot{width:24px;height:24px}
  .chip--a{left:0;top:10%}
  .chip--b{right:0;top:56%}
  .chip--c{left:4%;bottom:2%}
  .b-4{flex-direction:column;align-items:flex-start}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-top > :first-child{grid-column:1/-1}
  .warn-panel{grid-template-columns:1fr}
  .perm{grid-template-columns:48px 1fr}
  .perm .badge{grid-column:2}
  .perm .card__icon{width:48px;height:48px}
  .layer{grid-template-columns:1fr;gap:10px}
  .faq-item__body{padding-right:0}
  .profile-stack:hover .pcard--1{transform:translate(-34%,4%) rotate(-9deg)}
  .profile-stack:hover .pcard--2{transform:translate(34%,6%) rotate(8deg)}
  .profile-stack{overflow-x:clip}
  .pcard--1{transform:translate(-22%,4%) rotate(-8deg)}
  .pcard--2{transform:translate(22%,6%) rotate(7deg)}
  .header-actions .store-mini{display:none}
  .layer .badge,.perm .badge{justify-self:start}
  .persona{min-height:0;gap:18px}
  .persona h3{margin-top:14px}
  .step{padding-top:20px}
  .step::before{font-size:3.2rem;margin-bottom:12px}
  .steps{gap:30px}
  .btn{min-height:50px}
  .hero__actions .btn{flex:1 1 auto}
}
@media (hover:none){.cursor-dot{display:none}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .js [data-reveal],.js [data-stagger] > *{opacity:1;transform:none}
  .hero__title .line > span{transform:none}
  .radar .link-path{stroke-dashoffset:0}
}
@media print{.site-header,.mobile-menu,.cursor-dot,.marquee{display:none}body::before{display:none}}